package cn.edu.scau.cmi.chenxiaoqin.exercise5;

public class Circle1 {
	double x, y, radius;
	public void setX(double a) {
	x=a;  
	}
	public double getX(){
	return x;
	}
	public void setY(double b){
	y= b;
	}
	public double getY() {
	return y;
	}
	public void setRadius(double r){
	if(r>0 )
		radius=r;
	}
	public double getRadius()
	{
		return radius;
	}
}